* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
            padding: 0;
            margin: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #4CAF50, #2E7D32);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: bold;
            text-decoration: none;
            color: #FFEB3B;
            text-shadow: 3px 3px 0 #FF9800;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 1.5rem;
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s, color 0.3s;
        }
        .nav-desktop a:hover {
            background: #FFEB3B;
            color: #2E7D32;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #2E7D32;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 0.8rem;
            border-bottom: 1px solid #4CAF50;
        }
        .nav-mobile a:hover {
            background: #4CAF50;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #E8F5E9;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #2E7D32;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-bar {
            margin: 1.5rem 0;
            display: flex;
            justify-content: center;
        }
        .search-bar form {
            display: flex;
            width: 100%;
            max-width: 600px;
        }
        .search-bar input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #4CAF50;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-bar button {
            background: #4CAF50;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-bar button:hover {
            background: #2E7D32;
        }
        main {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            margin: 2rem 0;
        }
        h1 {
            color: #2E7D32;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            text-align: center;
            border-bottom: 4px solid #FFEB3B;
            padding-bottom: 1rem;
        }
        h2 {
            color: #4CAF50;
            font-size: 2rem;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #FF9800;
        }
        h3 {
            color: #388E3C;
            font-size: 1.6rem;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            color: #66BB6A;
            font-size: 1.3rem;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background: #FFF9C4;
            padding: 1rem;
            border-left: 5px solid #FFD600;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 0.3rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            margin: 1.5rem 0;
            display: block;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -0.5rem;
            margin-bottom: 1.5rem;
        }
        .link-list {
            list-style: none;
            padding: 1rem;
            background: #F1F8E9;
            border-radius: 10px;
            margin: 1.5rem 0;
        }
        .link-list li {
            margin: 0.5rem 0;
        }
        .link-list a {
            color: #2E7D32;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s;
        }
        .link-list a:hover {
            color: #FF9800;
            text-decoration: underline;
        }
        .user-interaction {
            margin: 3rem 0;
            padding: 2rem;
            background: #E8F5E9;
            border-radius: 10px;
        }
        .user-interaction h2 {
            border-left: none;
            text-align: center;
            color: #2E7D32;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #388E3C;
        }
        .form-group input, .form-group textarea, .form-group select {
            padding: 0.8rem;
            border: 2px solid #A5D6A7;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            outline: none;
            border-color: #4CAF50;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #FFD600;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .submit-btn {
            background: #4CAF50;
            color: white;
            border: none;
            padding: 1rem 2rem;
            font-size: 1.1rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            grid-column: 1 / -1;
            justify-self: center;
            width: 200px;
        }
        .submit-btn:hover {
            background: #2E7D32;
            transform: translateY(-3px);
        }
        footer {
            background: #2E7D32;
            color: white;
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: #FFEB3B;
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }
        .friend-links {
            list-style: none;
        }
        .friend-links li {
            margin: 0.5rem 0;
        }
        .friend-links a {
            color: #C8E6C9;
            text-decoration: none;
            transition: color 0.3s;
        }
        .friend-links a:hover {
            color: #FFEB3B;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #4CAF50;
            font-size: 0.9rem;
            color: #C8E6C9;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .search-bar form {
                flex-direction: column;
            }
            .search-bar input, .search-bar button {
                width: 100%;
                border-radius: 5px;
                margin-bottom: 0.5rem;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
        }